Move tests directory to src directory

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Change format of pretty print

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fix fail to format with search option

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
fix pep8 1.4

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Update document and increase version

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fix load test module

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Merge branch 'devel'